
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" lang="zh_Hans">
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Django 3.0.4 release notes &#8212; Django 3.2.6.dev 文档</title>
    <link rel="stylesheet" href="../_static/default.css" type="text/css" />
    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
    <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
    <script type="text/javascript" src="../_static/jquery.js"></script>
    <script type="text/javascript" src="../_static/underscore.js"></script>
    <script type="text/javascript" src="../_static/doctools.js"></script>
    <script type="text/javascript" src="../_static/language_data.js"></script>
    <link rel="index" title="索引" href="../genindex.html" />
    <link rel="search" title="搜索" href="../search.html" />
    <link rel="next" title="Django 3.0.3 release notes" href="3.0.3.html" />
    <link rel="prev" title="Django 3.0.5 release notes" href="3.0.5.html" />



 
<script src="../templatebuiltins.js"></script>
<script>
(function($) {
    if (!django_template_builtins) {
       // templatebuiltins.js missing, do nothing.
       return;
    }
    $(document).ready(function() {
        // Hyperlink Django template tags and filters
        var base = "../ref/templates/builtins.html";
        if (base == "#") {
            // Special case for builtins.html itself
            base = "";
        }
        // Tags are keywords, class '.k'
        $("div.highlight\\-html\\+django span.k").each(function(i, elem) {
             var tagname = $(elem).text();
             if ($.inArray(tagname, django_template_builtins.ttags) != -1) {
                 var fragment = tagname.replace(/_/, '-');
                 $(elem).html("<a href='" + base + "#" + fragment + "'>" + tagname + "</a>");
             }
        });
        // Filters are functions, class '.nf'
        $("div.highlight\\-html\\+django span.nf").each(function(i, elem) {
             var filtername = $(elem).text();
             if ($.inArray(filtername, django_template_builtins.tfilters) != -1) {
                 var fragment = filtername.replace(/_/, '-');
                 $(elem).html("<a href='" + base + "#" + fragment + "'>" + filtername + "</a>");
             }
        });
    });
})(jQuery);</script>

  </head><body>

    <div class="document">
  <div id="custom-doc" class="yui-t6">
    <div id="hd">
      <h1><a href="../index.html">Django 3.2.6.dev 文档</a></h1>
      <div id="global-nav">
        <a title="Home page" href="../index.html">Home</a>  |
        <a title="Table of contents" href="../contents.html">Table of contents</a>  |
        <a title="Global index" href="../genindex.html">Index</a>  |
        <a title="Module index" href="../py-modindex.html">Modules</a>
      </div>
      <div class="nav">
    &laquo; <a href="3.0.5.html" title="Django 3.0.5 release notes">previous</a>
     |
    <a href="index.html" title="Release notes" accesskey="U">up</a>
   |
    <a href="3.0.3.html" title="Django 3.0.3 release notes">next</a> &raquo;</div>
    </div>

    <div id="bd">
      <div id="yui-main">
        <div class="yui-b">
          <div class="yui-g" id="releases-3.0.4">
            
  <div class="section" id="s-django-3-0-4-release-notes">
<span id="django-3-0-4-release-notes"></span><h1>Django 3.0.4 release notes<a class="headerlink" href="#django-3-0-4-release-notes" title="永久链接至标题">¶</a></h1>
<p><em>March 4, 2020</em></p>
<p>Django 3.0.4 fixes a security issue and several bugs in 3.0.3.</p>
<div class="section" id="s-cve-2020-9402-potential-sql-injection-via-tolerance-parameter-in-gis-functions-and-aggregates-on-oracle">
<span id="cve-2020-9402-potential-sql-injection-via-tolerance-parameter-in-gis-functions-and-aggregates-on-oracle"></span><h2>CVE-2020-9402: Potential SQL injection via <code class="docutils literal notranslate"><span class="pre">tolerance</span></code> parameter in GIS functions and aggregates on Oracle<a class="headerlink" href="#cve-2020-9402-potential-sql-injection-via-tolerance-parameter-in-gis-functions-and-aggregates-on-oracle" title="永久链接至标题">¶</a></h2>
<p>GIS functions and aggregates on Oracle were subject to SQL injection,
using a suitably crafted <code class="docutils literal notranslate"><span class="pre">tolerance</span></code>.</p>
</div>
<div class="section" id="s-bugfixes">
<span id="bugfixes"></span><h2>Bugfixes<a class="headerlink" href="#bugfixes" title="永久链接至标题">¶</a></h2>
<ul class="simple">
<li>Fixed a data loss possibility when using caching from async code
(<a class="reference external" href="https://code.djangoproject.com/ticket/31253">#31253</a>).</li>
<li>Fixed a regression in Django 3.0 that caused a file response using a
temporary file to be closed incorrectly (<a class="reference external" href="https://code.djangoproject.com/ticket/31240">#31240</a>).</li>
<li>Fixed a data loss possibility in the
<a class="reference internal" href="../ref/models/querysets.html#django.db.models.query.QuerySet.select_for_update" title="django.db.models.query.QuerySet.select_for_update"><code class="xref py py-meth docutils literal notranslate"><span class="pre">select_for_update()</span></code></a>. When using
related fields or parent link fields with <a class="reference internal" href="../topics/db/models.html#multi-table-inheritance"><span class="std std-ref">Multi-table inheritance</span></a> in
the <code class="docutils literal notranslate"><span class="pre">of</span></code> argument, the corresponding models were not locked
(<a class="reference external" href="https://code.djangoproject.com/ticket/31246">#31246</a>).</li>
<li>Fixed a regression in Django 3.0 that caused misplacing parameters in logged
SQL queries on Oracle (<a class="reference external" href="https://code.djangoproject.com/ticket/31271">#31271</a>).</li>
<li>Fixed a regression in Django 3.0.3 that caused misplacing parameters of SQL
queries when subtracting <code class="docutils literal notranslate"><span class="pre">DateField</span></code> or <code class="docutils literal notranslate"><span class="pre">DateTimeField</span></code> expressions on
MySQL (<a class="reference external" href="https://code.djangoproject.com/ticket/31312">#31312</a>).</li>
<li>Fixed a regression in Django 3.0 that didn't include subqueries spanning
multivalued relations in the <code class="docutils literal notranslate"><span class="pre">GROUP</span> <span class="pre">BY</span></code> clause (<a class="reference external" href="https://code.djangoproject.com/ticket/31150">#31150</a>).</li>
</ul>
</div>
</div>


          </div>
        </div>
      </div>
      
        
          <div class="yui-b" id="sidebar">
            
      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
        <div class="sphinxsidebarwrapper">
  <h3><a href="../contents.html">Table of Contents</a></h3>
  <ul>
<li><a class="reference internal" href="#">Django 3.0.4 release notes</a><ul>
<li><a class="reference internal" href="#cve-2020-9402-potential-sql-injection-via-tolerance-parameter-in-gis-functions-and-aggregates-on-oracle">CVE-2020-9402: Potential SQL injection via <code class="docutils literal notranslate"><span class="pre">tolerance</span></code> parameter in GIS functions and aggregates on Oracle</a></li>
<li><a class="reference internal" href="#bugfixes">Bugfixes</a></li>
</ul>
</li>
</ul>

  <h4>上一个主题</h4>
  <p class="topless"><a href="3.0.5.html"
                        title="上一章">Django 3.0.5 release notes</a></p>
  <h4>下一个主题</h4>
  <p class="topless"><a href="3.0.3.html"
                        title="下一章">Django 3.0.3 release notes</a></p>
  <div role="note" aria-label="source link">
    <h3>本页</h3>
    <ul class="this-page-menu">
      <li><a href="../_sources/releases/3.0.4.txt"
            rel="nofollow">显示源代码</a></li>
    </ul>
   </div>
<div id="searchbox" style="display: none" role="search">
  <h3>快速搜索</h3>
    <div class="searchformwrapper">
    <form class="search" action="../search.html" method="get">
      <input type="text" name="q" />
      <input type="submit" value="转向" />
      <input type="hidden" name="check_keywords" value="yes" />
      <input type="hidden" name="area" value="default" />
    </form>
    </div>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
        </div>
      </div>
              <h3>Last update:</h3>
              <p class="topless">7月 23, 2021</p>
          </div>
        
      
    </div>

    <div id="ft">
      <div class="nav">
    &laquo; <a href="3.0.5.html" title="Django 3.0.5 release notes">previous</a>
     |
    <a href="index.html" title="Release notes" accesskey="U">up</a>
   |
    <a href="3.0.3.html" title="Django 3.0.3 release notes">next</a> &raquo;</div>
    </div>
  </div>

      <div class="clearer"></div>
    </div>
  </body>
</html>